How many three-digit natural number are divisible by 7?
Answers
Answered by
1
Answer:
Step-by-step explanation:
Attachments:
Answered by
2
Answer:
Step-by-step explanation:
LARGEST 3 DIGIT NUMBER DIVISIBLE BY 7 = 994
SMALLEST 3 DIGIT NUMBER DIVISIBLE BY 7 = 105
THIS FORMS AN AP WITH :
a = 105 ; d = 7 ; aₙ = 994
aₙ = a + (n-1)d
994 = 105 + 7n - 7
896 = 7n
896/7 = n
128 = n
THUS '128' 3 DIGIT NO. ARE DIVISIBLE BY 7
HOPE IT HELPS.....
PLS MARK AS BRAINLIEST....
Similar questions